/*
 *******************************************************************************
 *                                   INCLUDE
 *******************************************************************************
 */
#include "VideoMixer.h"

namespace Video
{
namespace Core
{
/*
 *******************************************************************************
 *                                CLASS DEFINE
 *******************************************************************************
 */
VideoMixer::Channel::Channel(const std::string& name, VideoMixer::Ptr pMixer, uint32_t id)
    : VideoComponent(Poco::format(name + "/CH#%u", id)), _pMixer(pMixer), _id(id)
{
    Region region = {
        0.0,
        0.0f,
        1.0f,
        1.0f,
    };
    setRegion(region);
    setAttach(false);
    setInput(nullptr);
    setZOrder(0);
}

VideoMixer::Channel::~Channel()
{
}

void VideoMixer::Channel::onConfigChanged(ParameterNames& names)
{
    if (names.exists(_Input))
    {
        unlink(true, false);
        if (getAttach())
        {
            auto pInput = getInput();
            if (pInput)
            {
                getInput()->link(sharedFromThis());
                link(mixer());
            }

            return;
        }
    }

    if (names.exists(_Attach))
    {
        auto pInput = getInput();
        if (pInput)
        {
            if (getAttach())
            {
                getInput()->link(sharedFromThis());
                link(mixer());
            }
            else
                getInput()->unlink(sharedFromThis());
        }
    }
}

/*
 *******************************************************************************
 *                                CLASS DEFINE
 *******************************************************************************
 */
VideoMixer::VideoMixer(const std::string& name): VideoComponent(name)
{
}

VideoMixer::~VideoMixer()
{
}

VideoMixer::Channel::Ptr VideoMixer::getChannel(uint32_t id)
{
    if (_channels.find(id) == _channels.end())
        _channels[id] = createChannel(id);

    return _channels[id];
}

void VideoMixer::start()
{
}

void VideoMixer::stop()
{
}
}
}